Refraction Survey 10Hz Vertical Geophone High False Frequency
Geophone with vertical and horizontal direction, and geophone-consisted three-component geophones, borehole geophone, tomographic imaging geophone series with stable performance, high fidelity and consistent quality in oil, gas exploration and other fields.
Vertical Geophone Specification
| Type | EG-10-III (GS-32CT Geophone) |
| Natural Frequency ( Hz ) | 10Hz ± 2.5% |
| Coil resistance(Ω) | 395Ω ± 2.5% |
| Open Circuit Damping | 0.316 ± 2.5% |
| Damping With Shunt Resistor | 0.7 ± 2.5% |
| Open Circuit Intrinsic Voltage Sensitivity( v/m/s ) | 27.5 v/m/s ± 2.5% |
| Sensitivity With Shunt Resistor ( v/m/s ) | 19.7 v/m/s ± 2.5% |
| Damping Calibration-Shunt Resistance (Ω) | 1000Ω |
| Harmonic distortion( % ) | ＜0.1% |
| Typical Spurious Frequency (Hz ) | ＞250Hz |
| Moving Mass ( g ) | 11.2g |
| Typical case to coil motion p-p ( mm ) | 1.5mm |
| Allowable Tilt | 10º |
| Operating Temperature Range ( ℃ ) | -40℃ TO +100℃ |
| Height ( mm ) | 33.5mm |
| Diameter ( mm ) | 25.4mm |
| Weight ( g ) | 86g |
| Warranty Period | 3 years |
All parameters specified here in are rated at a temperature 20℃±2℃ .
